The Advance of ScienceWatson Davis |
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Page 11
... aluminum coatings for telescopic mirrors is one of the most important im- provements in astronomical equipment made in recent years . Brilliant metallic aluminum films have been applied successfully to astronomical mirrors at both ...
... aluminum coatings for telescopic mirrors is one of the most important im- provements in astronomical equipment made in recent years . Brilliant metallic aluminum films have been applied successfully to astronomical mirrors at both ...
Page 104
... aluminum - aluminum for railway equipment , aluminum for roofs and build- ings , for food containers , for transmission , for airplanes , for tank cars , pipe lines , fencing , etc. Finally we should mention the new aluminum plate ...
... aluminum - aluminum for railway equipment , aluminum for roofs and build- ings , for food containers , for transmission , for airplanes , for tank cars , pipe lines , fencing , etc. Finally we should mention the new aluminum plate ...
Page 106
... aluminum and iron than she needs but no petroleum . France also has great phosphate deposits available in Morocco . The United States has all she needs within her own sovereign territory with the exception of the ferro - alloys ...
... aluminum and iron than she needs but no petroleum . France also has great phosphate deposits available in Morocco . The United States has all she needs within her own sovereign territory with the exception of the ferro - alloys ...
Contents
CHAPTER PAGE 1 Unpuzzling the Universe I | 1 |
Within the Suns Family | 14 |
The Cosmic Ray Mystery | 26 |
Copyright | |
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airplane alpha particles aluminum American animals archæologists artificial astronomers atom autogyro balloon beryllium body bones brain cause cent chemical clouds color cosmic rays deuterium deutons discovered discovery disease early earth effect electrical electron elements energy erosion experimental experiments eyes feet FIGURE forest frequency galaxies gamma rays gland heat heavy hydrogen heavy water height helium hormone human hydrogen important inch increase Indian insects Institute Jivaro known laboratory land layer light living malaria male mass matter ment mental meters method miles per hour million volts modern mosquito Mound Builders natural nebulæ neutrons observed parathyroid patients photographic physicists pilot pituitary pituitary gland plant population positron produced Prof proton radiation radio waves radioactivity region result scientific scientists Sealand speed stars sterilization stratosphere sunspots telescope temperature theory tion United University Van de Graaff voltage volts weather X-rays